Eastern Gamma-grass

Tripsacum dactyloides

Photo of Eastern Gamma-grass
Photo by Dr. John Meade, weed scientist emeritus
Rutgers NJAES Cooperative Extension

This grass grows to a height of 4 to 6 feet and spreads by means of rhizomes. The leaves are long and up to 4 inches wide. The population is increasing in New Jersey. Found mostly in wet areas such as ditches. The seeds are hard and lined up close together on 4 to 6 inch spikes. It has been considered a progenitor of corn.

Additional Images


  1. Rutgers
  2. Executive Dean of Agriculture and Natural Resources
  3. School of Environmental and Biological Sciences